/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package studio.raptor.sqlparser.dialect.mysql.ast.clause;

import studio.raptor.sqlparser.ast.SQLStatement;
import studio.raptor.sqlparser.ast.statement.SQLBlockStatement;
import studio.raptor.sqlparser.ast.statement.SQLIfStatement;
import studio.raptor.sqlparser.ast.statement.SQLLoopStatement;
import studio.raptor.sqlparser.ast.statement.SQLSelectStatement;
import studio.raptor.sqlparser.dialect.mysql.ast.statement.MySqlDeleteStatement;
import studio.raptor.sqlparser.dialect.mysql.ast.statement.MySqlInsertStatement;
import studio.raptor.sqlparser.dialect.mysql.ast.statement.MySqlUpdateStatement;

/**
 */
public enum MySqlStatementType {
  //select statement
  SELECT(SQLSelectStatement.class.getName()),
  //update statement
  UPDATE(MySqlUpdateStatement.class.getName()),
  //insert statement
  INSERT(MySqlInsertStatement.class.getName()),
  //delete statement
  DELETE(MySqlDeleteStatement.class.getName()),
  //while statement
  WHILE(MySqlWhileStatement.class.getName()),
  //begin-end
  IF(SQLIfStatement.class.getName()),
  //begin-end
  LOOP(SQLLoopStatement.class.getName()),
  //begin-end
  BLOCK(SQLBlockStatement.class.getName()),
  //declare statement
  DECLARE(MySqlDeclareStatement.class.getName()),
  //select into
  SELECTINTO(MySqlSelectIntoStatement.class.getName()),
  //case
  CASE(MySqlCaseStatement.class.getName()),

  UNDEFINED,;


  public final String name;

  MySqlStatementType() {
    this(null);
  }

  MySqlStatementType(String name) {
    this.name = name;
  }

  public static MySqlStatementType getType(SQLStatement stmt) {
    for (MySqlStatementType type : MySqlStatementType.values()) {
      if (type.name == stmt.getClass().getName()) {
        return type;
      }
    }
    return UNDEFINED;
  }
}
